Sanyo PLC-XL51 - Printed Wiring Board Diagrams

PCB_KV7A A13
■ Printed Wiring Board Diagrams
This projector is isolated from AC line by using the internal converter transformer.
Please pay attention to the following notes in servicing
1. Do not touch the part on hot side (primary circuit) or both parts on hot and cold sides
(secondary circuit) at the same time.
2. Do not shorten the circuit between hot and cold sides.
3. The grounding lead must be connected to the ground of the same circuit when measuring
of voltages and waveforms.
! CAUTION
BUZZER (SIDE : A)
A SIDE(1st Reow)
IC2101
IC2100
SW2100
A30C5
B SIDE(2nd Reow)
IC2101
IC2100
SW2100
R2101
R2103
R2100
1
4
K2110
1
10
K2100
SC2102
SC2101
R2102
A30C5
A SIDE(1st Reow)
SW901
A30C5
B SIDE(2nd Reow)
SW901
1
3
K690
A30C5
A SIDE(1st Reow)
A30C5
B SIDE(2nd Reow)
1
4
K48E
1
4 5
8
IC4831
C4834
C4831
C4832
C4833
R4831
R4832
R4833
A30C5
BUZZER (SIDE : B)
SECONDARY
BATTERY
MAIN
"K8B"
LAMP COVER SW (SIDE : A) LAMP COVER SW (SIDE : B)
MAIN
"K8S"
TEMP (SIDE : A) TEMP (SIDE : B)
MAIN
"K8T"
SELECT
ZOOM-
VOLUME+
VOLUME-
ZOOM+
MENU
INPUT
POWER
KEYSTONE
A SIDE(1st Reow)
SW6800
SW6801
SW6802
SW6803
SW6804
SW6806
SW6807
SW6808
D6801
D6802
D6803
D6804
SW6811
C6801
C6802
C6803
C6804
C6806
C6807
R6800
R6801
R6802
R6804
R6806
R6807
R6808
R6809
R6811
R6812
R6821
R6822
A30C5
B SIDE(2nd Reow)
5
1
K6801A
A30C5
KEY SW (SIDE : A)
KEY SW (SIDE : B)
MAIN
“K8K”